package com.example.myapplication3;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

import androidx.annotation.Nullable;

public class DBHelper extends SQLiteOpenHelper {

    public static final String TB_NAME ="tb_rates";
    private static final int DB_VERSION=1;
    private static final String DB_NAME="myrate.db";

    //    public DBHelper(@Nullable Context context, @Nullable String name, @Nullable SQLiteDatabase.CursorFactory factory, int version) {
//        super(context, name, factory, version);
//    }
    public DBHelper(Context context){
        super(context,DB_NAME,null,DB_VERSION);

    }
    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL("CREATE TABLE "+TB_NAME+"(ID INTEGER PRIMARY KEY AUTOINCREMENT,CURNAME TEXT,CURRATE TEXT)");
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }
}
